TL16C550D, TL16C550DI

ASYNCHRONOUS COMMUNICATIONS ELEMENT

WITH AUTOFLOW CONTROL

SLLS597C − APRIL 2004 − REVISED JUNE 2005

11

POST OFFICE BOX 655303

Terminal Functions (for RHB package) (continued)

TERMINAL

NAME

NUMBER

I/O

DESCRIPTION

SIN

6

I

Serial data input. SIN is serial data input from a connected communications device

SOUT

7

O

Serial data output. SOUT is composite serial data output to a connected communication device. SOUT is set

to the marking (high) level as a result of master reset.

28

2.25-V to 5.5-V power supply

13

Supply common, ground

WR1

12

I

Write input. When WR1 is active (low) while the ACE is selected, the CPU is allowed to write control words

or data into a selected ACE register.

XIN

XOUT

10

11

I

O

External clock. XIN and XOUT connect the ACE to the main timing reference (clock or crystal).

−0.5 V to 7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

−0.5 V to 7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

−0.5 V to 7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0

°C to 70°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TL16C550DI

−40

°C to 85°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

−65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: PT and PFB packages

260

°C

. . . . . . . . . .

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.